WO2008126225A1 - 動画像再符号化装置及び方法 - Google Patents

動画像再符号化装置及び方法 Download PDF

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Publication number
WO2008126225A1
WO2008126225A1 PCT/JP2007/056872 JP2007056872W WO2008126225A1 WO 2008126225 A1 WO2008126225 A1 WO 2008126225A1 JP 2007056872 W JP2007056872 W JP 2007056872W WO 2008126225 A1 WO2008126225 A1 WO 2008126225A1
Authority
WO
WIPO (PCT)
Prior art keywords
encoding mode
encoded data
encoding
moving image
encoding apparatus
Prior art date
Application number
PCT/JP2007/056872
Other languages
English (en)
French (fr)
Inventor
Akimitsu Fujiyoshi
Original Assignee
Pioneer Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corporation filed Critical Pioneer Corporation
Priority to PCT/JP2007/056872 priority Critical patent/WO2008126225A1/ja
Publication of WO2008126225A1 publication Critical patent/WO2008126225A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

　入力符号化データを復号して画像データを出力し、入力符号化データについての直交変換係数と、入力符号化データがフィールド構造符号化データ及びフレーム構造符号化データのうちのいずれであるかを示す元符号化モードとを符号化情報として生成する復号手段と、直交変換係数と元符号化モードとに応じてフィールド構造符号化及びフレーム構造符号化のいずれか１の符号化モードを選択する符号化モード選択手段と、符号化モード選択手段によって選択された符号化モードにて画像データを再符号化する符号化手段と、を備える。
PCT/JP2007/056872 2007-03-29 2007-03-29 動画像再符号化装置及び方法 WO2008126225A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/056872 WO2008126225A1 (ja) 2007-03-29 2007-03-29 動画像再符号化装置及び方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/056872 WO2008126225A1 (ja) 2007-03-29 2007-03-29 動画像再符号化装置及び方法

Publications (1)

Publication Number Publication Date
WO2008126225A1 true WO2008126225A1 (ja) 2008-10-23

Family

ID=39863407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/056872 WO2008126225A1 (ja) 2007-03-29 2007-03-29 動画像再符号化装置及び方法

Country Status (1)

Country Link
WO (1) WO2008126225A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05115059A (ja) * 1991-10-22 1993-05-07 Mitsubishi Electric Corp 適応的ブロツキング画像符号化装置
JPH06197327A (ja) * 1992-12-24 1994-07-15 Canon Inc 画像符号化装置
JPH07336681A (ja) * 1994-06-08 1995-12-22 Matsushita Electric Ind Co Ltd 画像変換装置
JPH09294263A (ja) * 1996-04-24 1997-11-11 Victor Co Of Japan Ltd 画像情報圧縮装置
JPH11112973A (ja) * 1997-10-01 1999-04-23 Matsushita Electric Ind Co Ltd 映像信号変換装置及び映像信号変換方法
JP2004519953A (ja) * 2001-03-30 2004-07-02 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Ｍｐｅｇ−２圧縮ビデオにおけるインターレースされた動き領域の検出及び適切なスケール処理
JP2006217569A (ja) * 2005-01-07 2006-08-17 Toshiba Corp 画像符号列変換装置、画像符号列変換方法および画像符号列変換プログラム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05115059A (ja) * 1991-10-22 1993-05-07 Mitsubishi Electric Corp 適応的ブロツキング画像符号化装置
JPH06197327A (ja) * 1992-12-24 1994-07-15 Canon Inc 画像符号化装置
JPH07336681A (ja) * 1994-06-08 1995-12-22 Matsushita Electric Ind Co Ltd 画像変換装置
JPH09294263A (ja) * 1996-04-24 1997-11-11 Victor Co Of Japan Ltd 画像情報圧縮装置
JPH11112973A (ja) * 1997-10-01 1999-04-23 Matsushita Electric Ind Co Ltd 映像信号変換装置及び映像信号変換方法
JP2004519953A (ja) * 2001-03-30 2004-07-02 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Ｍｐｅｇ−２圧縮ビデオにおけるインターレースされた動き領域の検出及び適切なスケール処理
JP2006217569A (ja) * 2005-01-07 2006-08-17 Toshiba Corp 画像符号列変換装置、画像符号列変換方法および画像符号列変換プログラム

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